/** @file LcdHwLib.h | |
This file contains interface functions for LcdHwLib of ArmPlatformPkg | |
Copyright (c) 2017, ARM Ltd. All rights reserved.<BR> | |
This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#ifndef LCD_HW_LIB_H_ | |
#define LCD_HW_LIB_H_ | |
#include <Uefi/UefiBaseType.h> | |
/** | |
Check for presence of display | |
@retval EFI_SUCCESS Platform implements display. | |
@retval EFI_NOT_FOUND Display not found on the platform. | |
**/ | |
EFI_STATUS | |
LcdIdentify ( | |
VOID | |
); | |
/** | |
Initialize display. | |
@param FrameBaseAddress Address of the frame buffer. | |
@retval EFI_SUCCESS Display initialization success. | |
@retval !(EFI_SUCCESS) Display initialization failure. | |
**/ | |
EFI_STATUS | |
LcdInitialize ( | |
EFI_PHYSICAL_ADDRESS FrameBaseAddress | |
); | |
/** | |
Set requested mode of the display. | |
@param ModeNumber Display mode number. | |
@retval EFI_SUCCESS Display set mode success. | |
@retval EFI_DEVICE_ERROR If mode not found/supported. | |
**/ | |
EFI_STATUS | |
LcdSetMode ( | |
IN UINT32 ModeNumber | |
); | |
/** | |
De-initializes the display. | |
**/ | |
VOID | |
LcdShutdown ( | |
VOID | |
); | |
#endif /* LCD_HW_LIB_H_ */ |